It's something very weird and nuanced going on right now,’ says one expert about the potential reasons for the snow blanketing much of the southern U.S.

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its ...

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

The polar vortex of ultra-cold air usually spins around ... store as he loaded his fourth order of the day into his car. Texas Gov. Greg Abbott said Wednesday that the state had deployed several ...

As snow begins to cover the Texas Panhandle amid the polar vortex, here's what the state can expect as weather conditions ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...